3v4l.org

run code in 200+ php & hhvm versions
<?php $x = [['Slide'=>1] ]; /* function a(array $a) { array_shift($a); } a($x); var_dump($x); array_shift($x); var_dump($x); */ var_dump(empty(current($x)['Slide']));
based on tcLi5
Output for 5.4.0 - 5.6.40, hhvm-3.10.1 - 3.22.0, 7.0.0 - 7.4.0beta2
bool(false)
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/M6cRL on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected '[' in /in/M6cRL on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/M6cRL on line 3
Process exited with code 255.